Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 19, 2025
Abstract
Photo‐assisted
electrocatalysis
provides
an
effective
approach
to
remarkably
improve
the
performance
of
electrocatalytic
reactions
in
seawater.
However,
application
this
technology
requires
catalysts
exhibit
high
photo‐responsiveness,
efficient
carrier
transfer,
and
strong
resistance
Cl
–
‐induced
corrosion.
Moreover,
fundamental
mechanisms
that
drive
enhancement
optical
fields
still
need
be
further
investigated.
This
study
presents
a
novel
design
dual
fractal
RuO
2
/NiO
heterojunction
with
sheet‐like
NiO
support
branched
load
(denoted
as
(B)/NiO(S)),
possessing
features
enhanced
photogenerated
carriers,
directed
inhibition
−
In
comparison
its
single‐fractal
non‐fractal
counterparts,
(B)/NiO(S)
exhibits
significantly
catalytic
activity,
superior
durability,
morphological
chemical
compositional
stability
during
photo‐assisted
oxygen
evolution
reaction
(OER)
Both
experiments
theoretical
calculations
indicate
significant
improvement
OER
results
from
synergistic
effects
associated
structures,
which
include
more
carriers
support,
rapid
transfer
into
load,
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(49)
Published: Oct. 25, 2024
Abstract
Direct
seawater
electrolysis
is
emerging
as
a
promising
renewable
energy
technology
for
large‐scale
hydrogen
generation.
The
development
of
Os‐Ni
4
Mo/MoO
2
micropillar
arrays
with
strong
metal‐support
interaction
(MSI)
bifunctional
electrocatalyst
reported.
structure
enhances
electron
and
mass
transfer,
extending
catalytic
reaction
steps
improving
efficiency.
Theoretical
experimental
studies
demonstrate
that
the
MSI
between
Os
Ni
optimizes
surface
electronic
catalyst,
reducing
barrier
thereby
activity.
Importantly,
first
time,
dual
Cl
−
repelling
layer
constructed
by
electrostatic
force
to
safeguard
active
sites
against
attack
during
oxidation.
This
includes
Os─Cl
adsorption
an
in
situ‐formed
MoO
2−
layer.
As
result,
catalyst
exhibits
ultralow
overpotential
113
336
mV
reach
500
mA
cm
−2
HER
OER
natural
from
South
China
Sea
(without
purification,
1
m
KOH
added).
Notably,
it
demonstrates
superior
stability,
degrading
only
0.37
µV
h
−1
after
2500
oxidation,
significantly
surpassing
technical
target
1.0
set
United
States
Department
Energy.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 19, 2025
Abstract
Design
and
construction
of
stable
single‐atom
modified
catalysts
with
suppressed
deep
reconstruction
for
long‐term
durability
highly
active
targeted
catalysis
in
emains
a
great
challenge.
Herein,
nitrogen/oxygen
co‐doped
carbon
(NOC)
encapsulated
Mo
atomically
dispersed
at
Co
3+
sites
3
O
4
,
are
constructed
through
directed
corrosion
strategy.
Meanwhile,
the
NOC
confinement
maintains
stability
single
atoms
promotes
adsorbate
evolution
into
lattice
oxygen‐mediated
mechanism.
The
reconstructed
CoOOH
is
confined
by
layer,
thus
inhibiting
its
reconstruction,
electrostatically
repelling
chloride
ions
to
achieve
electrolysis
seawater.
In
real
seawater
flow
cell,
electrode
requires
1.94
V
reach
1.0
A
cm
−2
energy
consumption
4.64
kWh
Nm
−3
‐H
2
lower
than
that
industrial
alkaline
electrolysis.
continuous
300
h
shows
almost
no
decay,
Faraday
efficiency
close
100%,
indicating
long‐lasting
stability.
Catalysts,
Journal Year:
2024,
Volume and Issue:
14(10), P. 691 - 691
Published: Oct. 4, 2024
Seawater
electrolysis
represents
a
promising
green
energy
technology
with
significant
potential
for
efficient
conversion.
This
study
provides
an
in-depth
examination
of
the
key
scientific
challenges
inherent
in
seawater-electrolysis
process
and
their
solutions.
Initially,
it
analyzes
issues
precipitation
aggregation
at
cathode
during
hydrogen
evolution,
proposing
strategies
such
as
self-cleaning
cathodes
precipitate
removal
to
ensure
stability
seawater
electrolysis.
Subsequently,
addresses
corrosion
faced
by
anode
catalysts
seawater,
introducing
several
anti-corrosion
enhance
stability,
including
substrate
treatments
sulfidation,
phosphidation,
selenidation,
LDH
(layered
double
hydroxide)
anion
intercalation.
Additionally,
this
explores
role
regulating
electrode
surface
microenvironment
forming
unique
coordination
environments
active
atoms
performance.
Regulating
novel
approach
mitigating
corrosion.
Contrary
traditional
understanding
that
chloride
ions
accelerate
corrosion,
certain
benefit
from
environment
on
catalyst
surface,
potentially
enhancing
oxygen
evolution
reaction
(OER)
Lastly,
presents
latest
advancements
industrialization
electrolysis,
situ
undiluted
implementation
three-chamber
dual
membranes
coupled
circulating
electrolyte
systems.
The
prospects
are
also
explored.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 5, 2025
Abstract
Direct
seawater
electrolysis
is
a
promising
technology
for
massive
green
hydrogen
production
but
limited
by
the
lack
of
durable
and
efficient
electrocatalysts
toward
oxygen
evolution
reaction
(OER).
Herein,
high
entropy
phosphorus
sulfide
(HEPS)
prepared
as
high‐performance
OER
catalyst
splitting
through
simple
vacuum
high‐temperature
sintering
method.
This
needs
overpotentials
merely
245
313
mV
in
alkalized
to
deliver
current
densities
10
100
mA
cm
−2
,
respectively,
operates
continuously
1200
h
practical
electrolyzer
with
negligible
activity
decay,
making
it
one
best
catalysts
reported
date.
Detailed
experimental
theoretical
analyses
reveal
that
excellent
durability
HEPS
originates
from
P
S
material
oxidized
forms
an
anionic
protective
layer
repel
chloride
ions,
preventing
further
corrosion
material.
Meanwhile,
formed
V
2
O
x
species
can
effectively
prevent
oxidation.
Further,
highly
stable
assembled
anode
Ru@C
cathode
demonstrate
practicability
catalysts.
ACS Applied Energy Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 2, 2025
Seawater
electrolysis
for
hydrogen
production
has
emerged
as
a
focal
point
in
energy
utilization
technology
due
to
its
low
carbon
emissions
and
the
abundance
of
seawater
resources.
However,
high
chlorine
content
an
electrolyte
negatively
impacts
stability
performance
anodic
catalysts.
Herein,
we
design
silver
integration
strategy
repel
surface
Cl–
adsorption
modulate
electronic
structure
metal
active
center
NiCo
bimetallic
organic
framework
(MOF).
The
obtained
Ag@NiCo
MOF
achieves
overpotential
269
mV
at
current
density
10
mA
cm–2
toward
oxygen
evolution
reaction
(OER)
maintains
this
over
500
h
simulated
alkaline
without
obvious
degradation.
superior
is
because
in-phase
interaction
induced
by
deposited
Ag
optimizes
electron
state
sites.
Moreover,
situ
transforms
into
AgCl
during
OER
further
triggering
repulsion
on
electrode
surface.
This
not
only
facilitates
kinetic
but
also
helps
chloride
ions
enhances
selectivity
OER.
electrochemical
render
them
highly
competitive
among
various
catalysts
spitting.
